Midterm

Question 1

The narrator of the Mendel Youtube video compared a black lamb and a white budgie(bird) to Mendel pea phenotypes. What did they have in common?

Answer 1

blending theory does not explain this

Question 2

The mutation in the bHLH-A that results in white flower is?

Answer 2

nucleotide substitution

Question 3

The bHLH-A mRNA in white plants is____the the mRNA encoded by the bHLH-A mRNA in purple plants

Answer 3

longer

Question 4

bHLH-A expression(mRNA levels) in white pea plants is ____bHLH-A expression in purple plants

Answer 4

less thab

Question 5

bHLH-A became a candidtae gene for the white-puple becuaese of its…

Answer 5

location

Question 6

Battacharyya et al. used antbody to SBE to…

Answer 6

label mRNA in a Northern Blot

Question 7

A norther blot contains….

Answer 7

mRNA

Question 8

If CF was a result of a person being homozygous for rare recessive alleles at TWO loci we would expect?

Answer 8

Cf to be more common in children of related parents than in childrem of unrelated parents

Question 9

Approximately hwo far was each chromosone jump in the study that took researches from D0CR1-917 RFLP locus to the CFTR gene?

Answer 9

100,000 base pairs

Question 10

The mutation responsible for most cases of CF?

Answer 10

Is a three base-pair deletion anf a changein the Isoluecine codon

Question 11

Each of the three couple in the PGD study had a ___% chance of having a baby with CF if they hadn’t taken part in the study?

Answer 11

25%

Question 12

A VISTA plot shows where sequecnes ina multiple sequence aligment are similar and where they are different. high percent identify can be a result of:

Answer 12

coding regions being included(exons)
the occurrence of gene regulatory modules
species in the aligment being closely related

Question 13

If F1 indidcuals have the mutant phenotype in a complementation test, then the mutant phenotype in the parents was the result of:

Answer 13

A mutation in the same gene

Question 14

To study allele-specfic gene expression in different tissue, one could use allele-specific primers with a cDNA template. But thats not what was done in the study of F1 stcklebacks from a pelvis x no-pelvis cross. They…

Answer 14

looked at the sizes of cDNA PCR products

Question 15

The enhancer(regulatory module called Pel) that influences expression in the pelvic region was how far upstream of pitx1?

Answer 15

30,000bp

Question 16

How much of the stickback genome appears to play a role in adaptation to freshwater according to the results of the Jones et al. study?

Answer 16

0.26%